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From Andreas Lehmkühler (JIRA) <j...@apache.org>
Subject [jira] [Commented] (PDFBOX-3151) getStringWidth is terribly slow (and resulting document is invalid)
Date Sat, 12 Dec 2015 15:47:46 GMT

    [ https://issues.apache.org/jira/browse/PDFBOX-3151?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15054370#comment-15054370
] 

Andreas Lehmkühler commented on PDFBOX-3151:
--------------------------------------------

I've applied the first patch as well

> getStringWidth is terribly slow (and resulting document is invalid)
> -------------------------------------------------------------------
>
>                 Key: PDFBOX-3151
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3151
>             Project: PDFBox
>          Issue Type: Bug
>          Components: PDModel
>    Affects Versions: 2.0.0
>         Environment: 2.0.0-RC2
>            Reporter: Philip Helger
>            Assignee: Andreas Lehmkühler
>             Fix For: 2.0.0
>
>         Attachments: 3151-2.patch, 3151.patch, HelloWorldType0.java, Profiling after
Andreas changes.png, Profiling screenshot.png
>
>
> I'm maintaining a PDF layout engine that makes heavy use of "getStringWidth". With PDFBox
2.0.0 this got much slower. So please find attached an example which you can use for profiling
purposes. I used "OpenSans" TTF as the basis (grab it at https://github.com/google/fonts/tree/master/apache/opensans).
> Beside it being slow, the created PDF cannot be opened (but this may have something to
do with PDFBOX-2945 in RC2???)



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